For gamers who love first-person shooter games, the control of mouse is extremely important. Because that is directly related to your reaction speed (mouse moving and clicking) and accuracy (mouse positioning) during the shooting process of a game. So how do you train your mouse control ability? You can try AimBooster this tiny and handy app written in Flash, which absolutely and quickly raises a player's level of shooting. It is known as an essential marksmanship training software for many FPS enthusiasts, and it is said to be used by many well-known professional players.